I was wondering if their was device that I could connect to a radio
while listening to the airwaves that will give me a video display on the
receiving signal. Is their a such thing?

SR 73!

D Peter Maus wrote:
Eric F. Richards wrote:

D Peter Maus wrote:

[...]

The IF's in a wideband have to be pretty wide to accomodate some of
the services found on VHF. VHF channels can be wider than the SW
broadcast bands, so filtration in the IF has to work a lot harder to
produce adequate selectivity for SW listening where the widest
broadcast channel is less than 10khz wide. Most widebands don't do
that well on HF and below for that reason. Those that do are
considerably more expensive than a dedicated SW receiver.



As a wideband user, I'd like to comment on this...

I can't speak for the AOR since I don't have one, but I do have the
late, great IC-R8500 from Icom, and its 10.7 IF out -- the first one
shared by the whole range of the receiver -- exhibits vastly different
behavior depending on which side of 30 MHz you are on.

Below 30 MHz, it is quite narrow, as in less than 20 kHz. Above 30
MHz, it is 6 MHz wide.

AOR's behavior might be different, but it is true that any wideband
receiver will deal with issues not directly related to shortwave, and
therefore MAY be not the best choice.




You're correct. There are a handful of wideband receivers which
actually have HF adequate IF strips. Usually by dedicating separate
strips to frequencies above and below 30MHz. R-8500 is one of them.
R-9000 is another. And AOR makes a couple, both desktops, both
expensive, one mountainously so.

Of the widebands I've played with, AR-3000 (in two incarnations)
being among them, I've only been impressed with AR-8600, IC-R8500 and
IC-R-9000 below 30Mhz when compared to a dedicated HF receiver.

The rest were simply too wide for decent HF work.




I was not impressed.